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Rufina [12.5K]
2 years ago
8

Help me I really need help

Mathematics
1 answer:
Aleksandr [31]2 years ago
3 0

Answer:

Question 1 is A  (7/10) Question 2 is b (39/56)

Step-by-step explanation:

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Solve for m: 18d − 2m + 9k < 5k + 10
snow_tiger [21]

18d-2m+9k < 5k+10

18d-2m < -4k +10

-2m < -4k +10 -18d

m  > \frac{-4k+10-18d}{-2} (flipped the sign because we're dividing by a negative)

m  > 2k+5+9d

4 0
3 years ago
Read 2 more answers
According to a survey conducted by Deloitte in 2017, 0.46 of U.S. smartphone owners have made an effort to limit their phone use
Alexxandr [17]

Answer:

44.16 ; 4.88

Step-by-step explanation:

Recall :

Mean, μ = np

Sample size, n = 96

Sample proportion, p = 0.46

For the mean :

Mean, μ = 96 * 0.46

0.46 * 96 = 44.16

The standard deviation :

σ = √npq

q = 1 - p = 1 - 0.46 = 0.54

σ = √npq = √(96 * 0.46 * 0.54)

σ = √23.8464

σ = 4.88

7 0
3 years ago
I Just want to know the difference in between graphing in two different ways...
aivan3 [116]

Answer:

It's simple.

Step-by-step explanation:

Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.

5 0
3 years ago
Ok this is stressin me out anyone know this
Levart [38]
X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.

Y=-9
9 x 0 -7y=63
8 0
2 years ago
Do the ratios 6/3 and 14/7 perform a ratio<br>​
Mazyrski [523]

Answer:

The answer is Yes

Step-by-step explanation:

6 0
3 years ago
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